Technical Booklet H Stairs Ramps Guarding and Protection from Impact·Page 20·2.13
Ramped approach requirements
A ramped approach to a dwelling must have a firm and even surface, minimum width of 900 mm, appropriate slope limits based on length, landings of at least 1200 mm, and handrails and headroom as specified.
A ramped approach should have –
(a) a surface which is firm and even;
(b) an unobstructed width not less than 900 mm;
(c) a ramp or ramps not exceeding –
(i) 10 m in length where the slope of the ramp does not exceed 1 in 15; or
(ii) 5 m in length where the slope of the ramp does not exceed 1 in 12;
(d) landings with an unobstructed length of not less than 1200 mm;
(e) headroom complying with the provisions of paragraph 4.7; and
(f) handrails complying with the provisions of paragraph 4.8.
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